Home / 115,442.70-173,164.05-92,114.70

Finding the Fourth Proportional to 115,442.70, 173,164.05 and 92,114.70

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Solution

The fourth proportional to 115,442.70, 173,164.05 and 92,114.70 is: 138,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.70 : 173,164.05 = 92,114.70 : x
  2. Step 2: Convert to fraction form
    115,442.70/173,164.05 = 92,114.70/x
  3. Step 3: Cross multiply
    115,442.70x = 173,164.05 × 92,114.70
  4. Step 4: Simplify right side
    115,442.70x = 15,950,954,516.54
  5. Step 5: Solve for x
    x = 15,950,954,516.54/115,442.70
  6. Step 6: Final answer
    x = 138,172.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.